For the static covert communication network, the positions of the three participants (Alice, Bob and Willie) are fixed. The unmanned aerial vehicle (UAV) assisted communication networks enable the participants to realize more flexible deployments in covert communication [1]}. UAV can establish line-of-sight (LoS) wireless links for air-ground communications, which provides significant performance improvement over the conventional non-line-of-sight (NLoS) terrestrial communications. In some scenarios, the covert rate can be effective improved by exploiting the mobility of UAV while the detection by Willie will become easier due to the component of LoS channel.
